chairman ben bernanke outlined the effort in written testimony for a congressional committee. bernanke said the economy still needs an easy money policy for now, but he added: "at some point the federal reserve will need to tighten financial conditions." the talk of higher rates kept wall street at bay. the dow jones industrial average lost 20 points to close at 10,038. the nasdaq fell three points to close below 2,148. thousands of workers in greece staged a national strike today, protesting a government plan to freeze salaries and cut bonuses. the 24-hour strike closed schools, and brought air travel to a halt. we have a report from john sparks of independent television news. >> reporter: it's easy to say, the 24-hour strike closed greece filed a test case for other indebted states. its huge socialist government plans been cuts. for many here on the streets of athens today it is not acceptable. "the capitalist government has declared war on the working classes. we will respond with war-like measures," said this mp. the government wants to raise the retirement age by two year